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    <!-- 给一个数字数组，该数组中有很多数字0,如[1,2,0,0,0,3,0,6,0,9,10,0,50],将不为0的数据存入到一个新的数组中 -->

    <script>

        let arr = [1, 2, 0, 0, 0, 3, 0, 6, 0, 9, 10, 0, 50]

        let num = [];

        for (let i = 0; i < arr.length; i++) {
            const element = arr[i];
            if (element != 0) {
                num.push(element)
            }
        }
        
        document.write(num)
        console.log(num);
        

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